using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Numerics;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using static System.Math;
public static class P
{
    public static void Main()
    {
        var n = long.Parse(Console.ReadLine());

        Console.WriteLine(PrimeFactors(n).Count() >= 3 ? "YES" : "NO");
    }

    static IEnumerable<long> PrimeFactors(long n)
    {
        while ((n & 1) == 0)
        {
            n >>= 1;
            yield return 2;
        }
        for (long i = 3; i * i <= n; i += 2)
        {
            while (n % i == 0)
            {
                n /= i;
                yield return i;
            }
        }
        if (n != 1) yield return n;
    }
}